Samsung ML-331xD - Block Diagram

5. System Diagram
Service Manual
ML-331x/371x series
5-2
Samsung Electronics
Block Diagram(ML-371x series)
MAIN
Chorus4
FUSER Unit
ThermoStat
Thermistor1
PaperExit
Sensor
Regi
Clutch
Pickup
Clutch
Front Cover
Micro Switch
24V
5V_SMPS
FUSER ON
24VS
3.3VS
3.3V_C_Open1
3.3V_Cover_Open3.3V_SMPS
DEVELOPER Unit
FAN
MAIN
FAN
SMPS
OPC MHV
DEV
Supply
THV
Varistor
T
D
S
DRUM
M
Main
Motor
MT
BLDC
Serial
Flash
(16MB)
DDR2
SDRAM
(128MB,64MB)
EEPROM
24512
(SYSTEM, N/W)
SOL
CL
C R U
M
PHY chip
RTL8211D
25MHz
FUSER
BIAS
INLET
MP
Clutch
EEPROM
24256
(WLAN)
Paper
Size/Binful
Sensor
Clock
Generator
ASM3P2863A
12MHz
MAIN CLK
USB CLK
VCLK
USB 2.0
INLET
FUSER
SOL
HVPS
1
2
3
4
5
6
7
8
9
10
SMPS
24VS
EMPTY
Sensor
REGI
Sensor
MP
Sensor
FEED
Sensor
LSU
(Dual Beam)
OPE_LCD
LCD (16X2)
Rear Cover
S/W
SCF
WLAN
(3710DW only)
LPEC1
DC-DC
(ST1S10PUR)
5V->1.8V
DC-DC
(ST1S10PUR)
5V->1.1V
DC-DC
(ST1S10PUR)
5V->3.3V
DDR2 DIMM
(Option)
128MB/256MB
Termination
Regulator
(UR5596L)
1.8V->0.9V
USB Host
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA